package pack0624;

public class Student {
    private String name;
    private int age;
    public Student(){

    }
    public Student(String name){
        this.name = name;
    }
    public Student(int age){
        this.age = age;
    }
    public Student(String name,int age){
        this.name = name;
        this.age = age;
    }
    public void show(){
        System.out.println(name+":"+age);
    }
}
